Random utility models are widely used to study consumer choice. The vast majority of applications make strong assumptions about the marginal utility of income, which restricts income effects, demand curvature and pass-through. We show that flexibly modeling income effects can be important,...

Random utility models are widely used to study consumer choice. The vast majority of applications assume utility is linear in consumption of the outside good, which imposes that total expenditure on the subset of goods of interest does not affect demand for inside goods and restricts demand...

Professions such as doctors and lawyers often enjoy some degree of self-regulation, i.e. they can set the codes of conduct in the market and even determine the rules for joining the profession. We address the problem of the optimal scope of self-regulation. Specifically, we model a profession...